Parallel planes are two planes that do not intersect.
Theorem: If two parallel planes are cut by a third plane, then the lines of intersection are parallel.
In the attached picture you can see two parallel planes P and M that are cut by plane R. The lines of intersection are:
Conclusion: AB||CD.
Answer: parallel.
Firstly, we will draw figure
now, we will draw a altitude from B to DC that divides trapezium into rectangle and right triangle
because of opposite sides of rectangle ABMD are congruent
so,
DM=AB=9
CM=CD-DM
CM=18-9
CM=9
now, we can find BM by using Pythagoras theorem
now, we can plug values
we get
now, we can find area of trapezium
now, we can plug values
and we get
so, area of of the trapezoid is ..........Answer
Answer:
The y-intercept is –2.
The slope is Negative three-fifths
Step-by-step explanation:
A linear function is a function whose graph is a straight line. A linear function can be represented as:
f(x) = y = a + bx
where y is the dependent variable and x is the independent variable. The equation of a linear function in slope intercept form is given as:
y = mx + c
Where m is the slope and c is the y intercept.
Given that:
, and comparing with y = mx + c:
The slope (m) =
The y intercept (c) = -2